Waste bin



FIG. 1 is a front elevational view of a waste bin;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view thereof; and,

FIG. 4 is a top plan view thereof.

The other side elevational view thereof is symmetrical to the side elevational view shown in FIG. 3. 

The ornamental design for a waste bin, as shown and described. 